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How do you use “
...
function(x) x ^ exponent
}
square <- power(2)
square(2) # -> [1] 4
square(4) # -> [1] 16
cube <- power(3)
cube(2) # -> [1] 8
cube(4) # -> [1] 64
The ability to manage variables at two levels also makes it possible to maintain the state across function invocations by allowing...
High performance fuzzy string comparison in Python, use Levenshtein or difflib [closed]
...r().split("\t")
diffl = difflib.SequenceMatcher(None, sr[3], sr[4]).ratio()
lev = Levenshtein.ratio(sr[3], sr[4])
sor = 1 - distance.sorensen(sr[3], sr[4])
jac = 1 - distance.jaccard(sr[3], sr[4])
print diffl, lev, sor, jac
I then plotted th...
C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...“麻烦”？
3。编程中通常碰到段错误的地方有哪些？
4。如何发现程序中的段错误并处理掉？
正文
1。什么是段错误？
下面是来自Answers.com的定义：
A segmentation fault (often shortened to segfault) is a particular error condi...
How do I get the base URL with PHP?
... simpler?
– frostymarvelous
Apr 2 '14 at 17:52
2
This does not work if you are using a port diffe...
How to assign from a function which returns more than one value?
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edited May 10 '18 at 3:04
answered Feb 28 '13 at 16:23
G....
Execute command without keeping it in history [closed]
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edited Jun 13 '14 at 13:26
fasseg
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answ...
How do I programmatically force an onchange event on an input?
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edited Mar 4 at 9:17
answered Apr 15 '16 at 13:47
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Where to find “Microsoft.VisualStudio.TestTools.UnitTesting” missing dll?
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146
You have to add reference to
Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll
It ...
Can you make valid Makefiles without tab characters?
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edited May 23 '17 at 11:47
Community♦
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answered Jan 25 '10 at 9:19
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How to split a comma-separated value to columns
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edited Mar 1 '19 at 0:47
answered Feb 28 '19 at 13:34
B...